MAUDE Adverse Event Report: STRYKER GMBH GAMMA4 - RC LAG SCREW D10.5X90MM; ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES

Catalog Number	81660090S
Medical Device Problem Codes	Device Difficult to Setup or Prepare (1487); Material Twisted/Bent (2981)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/30/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Additional information has been requested and if received, will be provided in the supplemental report.
Event or Problem Description
As reported: "the u-blade failed to enter the blade insertion groove on the lug when inserting the u-lag screw.Upon removal, the u-blade was found to be bent.The procedure was completed successfully using a different screw.".

• Brand Name: GAMMA4 - RC LAG SCREW D10.5X90MM
• Common Device Name: ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; SZ 2545
• Manufacturer (Section G): STRYKER TRAUMA GMBH; prof. kuentscher-strasse 1-5; schoenkirchen/kiel D-242 32; GM D-24232
• Manufacturer Contact: dannielle stap ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 24642499
• Report Number: 0008031020-2026-00430
• Device Sequence Number: 9906323
• Product Code: HSB
• UDI-Device Identifier: 07613327591804
• UDI-Public: (01)07613327591804(11)251124(17)351031(10)K18190E
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K230512
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/29/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 81660090S
• Device Lot Number: K18190E
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 02/19/2026
• Supplement Date Received by Manufacturer: 05/05/2026
• Initial Report FDA Received Date: 03/19/2026
• Supplement Report FDA Received Date: 05/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/24/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 80 YR
• Patient Sex: Female